CVE-2021-20154
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS...
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS is not enabled on the device by default. This results in cleartext transmission of sensitive information such as passwords.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS is not enabled on the device by default. This results in cleartext transmission of sensitive information such as passwords.
- Record
CVE-2021-20154- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-319
- Updated
- 2026-11-02
CVE List No score
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS is not enabled on the device by default. This results in cleartext transmission of sensitive information such as passwords.
- Record
CVE-2021-20154- Updated
- 2026-11-02
EUVDEUVD-2021-7611 No score
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS is not enabled on the device by default. This results in cleartext transmission of sensitive information such as passwords.
- Record
EUVD-2021-7611- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vq3f-hc79-r4pc No score
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS...
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS is not enabled on the device by default. This results in cleartext transmission of sensitive information such as passwords.
- Record
GHSA-vq3f-hc79-r4pc- Weakness
- CWE-319
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20154 is a high vulnerability (CVSS 7.5) in Trendnet Tew-827dru Firmware, published December 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. No source names a fixed version.